What causes Excessive tire noise?

1. tread design: if it as an aggressive tread like on mud and snow tires

2. possible tire separation: when the belts on the inter structure of the tire serperate form low air pressure or impact to the tire and tire failure.

3. alignment: if you have worn out suspension or youv'e impacted the tire on a curb and the align is out of adjustment

4. a bad shock or stut: if the shock or strut is worn the tire may bounceas you drive and cause a noise.